Gaya APA

ABRAMS, W, B., HARTONO, A. (1997). The merck manual of geriatrics Jilid 2 = The merck manual of geriatrics . Jakarta: Binarupa Aksara.

Gaya MLA

ABRAMS, WILLIAM, B.., HARTONO, ANDRY. "The merck manual of geriatrics Jilid 2 = The merck manual of geriatrics". Jakarta: Binarupa Aksara, 1997. TEXT.